2 ******************************************************************************
\r
3 * @file stm32f7xx_hal_rng.h
\r
4 * @author MCD Application Team
\r
6 * @date 06-March-2015
\r
7 * @brief Header file of RNG HAL module.
\r
8 ******************************************************************************
\r
11 * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
\r
13 * Redistribution and use in source and binary forms, with or without modification,
\r
14 * are permitted provided that the following conditions are met:
\r
15 * 1. Redistributions of source code must retain the above copyright notice,
\r
16 * this list of conditions and the following disclaimer.
\r
17 * 2. Redistributions in binary form must reproduce the above copyright notice,
\r
18 * this list of conditions and the following disclaimer in the documentation
\r
19 * and/or other materials provided with the distribution.
\r
20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
\r
21 * may be used to endorse or promote products derived from this software
\r
22 * without specific prior written permission.
\r
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
\r
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
\r
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
\r
27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
\r
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
\r
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
\r
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
\r
31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
\r
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
\r
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\r
35 ******************************************************************************
\r
38 /* Define to prevent recursive inclusion -------------------------------------*/
\r
39 #ifndef __STM32F7xx_HAL_RNG_H
\r
40 #define __STM32F7xx_HAL_RNG_H
\r
46 #if defined(STM32F756xx) || defined(STM32F746xx)
\r
49 /* Includes ------------------------------------------------------------------*/
\r
50 #include "stm32f7xx_hal_def.h"
\r
52 /** @addtogroup STM32F7xx_HAL_Driver
\r
56 /** @defgroup RNG RNG
\r
57 * @brief RNG HAL module driver
\r
61 /* Exported types ------------------------------------------------------------*/
\r
63 /** @defgroup RNG_Exported_Types RNG Exported Types
\r
67 /** @defgroup RNG_Exported_Types_Group1 RNG State Structure definition
\r
72 HAL_RNG_STATE_RESET = 0x00, /*!< RNG not yet initialized or disabled */
\r
73 HAL_RNG_STATE_READY = 0x01, /*!< RNG initialized and ready for use */
\r
74 HAL_RNG_STATE_BUSY = 0x02, /*!< RNG internal process is ongoing */
\r
75 HAL_RNG_STATE_TIMEOUT = 0x03, /*!< RNG timeout state */
\r
76 HAL_RNG_STATE_ERROR = 0x04 /*!< RNG error state */
\r
78 }HAL_RNG_StateTypeDef;
\r
84 /** @defgroup RNG_Exported_Types_Group2 RNG Handle Structure definition
\r
89 RNG_TypeDef *Instance; /*!< Register base address */
\r
91 uint32_t RandomNumber; /*!< Last Generated random number */
\r
93 HAL_LockTypeDef Lock; /*!< RNG locking object */
\r
95 __IO HAL_RNG_StateTypeDef State; /*!< RNG communication state */
\r
107 /* Exported constants --------------------------------------------------------*/
\r
109 /** @defgroup RNG_Exported_Constants RNG Exported Constants
\r
113 /** @defgroup RNG_Exported_Constants_Group1 RNG Interrupt definition
\r
116 #define RNG_IT_DRDY RNG_SR_DRDY /*!< Data Ready interrupt */
\r
117 #define RNG_IT_CEI RNG_SR_CEIS /*!< Clock error interrupt */
\r
118 #define RNG_IT_SEI RNG_SR_SEIS /*!< Seed error interrupt */
\r
123 /** @defgroup RNG_Exported_Constants_Group2 RNG Flag definition
\r
126 #define RNG_FLAG_DRDY RNG_SR_DRDY /*!< Data ready */
\r
127 #define RNG_FLAG_CECS RNG_SR_CECS /*!< Clock error current status */
\r
128 #define RNG_FLAG_SECS RNG_SR_SECS /*!< Seed error current status */
\r
138 /* Exported macros -----------------------------------------------------------*/
\r
140 /** @defgroup RNG_Exported_Macros RNG Exported Macros
\r
144 /** @brief Reset RNG handle state
\r
145 * @param __HANDLE__: RNG Handle
\r
148 #define __HAL_RNG_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_RNG_STATE_RESET)
\r
151 * @brief Enables the RNG peripheral.
\r
152 * @param __HANDLE__: RNG Handle
\r
155 #define __HAL_RNG_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= RNG_CR_RNGEN)
\r
158 * @brief Disables the RNG peripheral.
\r
159 * @param __HANDLE__: RNG Handle
\r
162 #define __HAL_RNG_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~RNG_CR_RNGEN)
\r
165 * @brief Check the selected RNG flag status.
\r
166 * @param __HANDLE__: RNG Handle
\r
167 * @param __FLAG__: RNG flag
\r
168 * This parameter can be one of the following values:
\r
169 * @arg RNG_FLAG_DRDY: Data ready
\r
170 * @arg RNG_FLAG_CECS: Clock error current status
\r
171 * @arg RNG_FLAG_SECS: Seed error current status
\r
172 * @retval The new state of __FLAG__ (SET or RESET).
\r
174 #define __HAL_RNG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
\r
177 * @brief Clears the selected RNG flag status.
\r
178 * @param __HANDLE__: RNG handle
\r
179 * @param __FLAG__: RNG flag to clear
\r
180 * @note WARNING: This is a dummy macro for HAL code alignment,
\r
181 * flags RNG_FLAG_DRDY, RNG_FLAG_CECS and RNG_FLAG_SECS are read-only.
\r
184 #define __HAL_RNG_CLEAR_FLAG(__HANDLE__, __FLAG__) /* dummy macro */
\r
189 * @brief Enables the RNG interrupts.
\r
190 * @param __HANDLE__: RNG Handle
\r
193 #define __HAL_RNG_ENABLE_IT(__HANDLE__) ((__HANDLE__)->Instance->CR |= RNG_CR_IE)
\r
196 * @brief Disables the RNG interrupts.
\r
197 * @param __HANDLE__: RNG Handle
\r
200 #define __HAL_RNG_DISABLE_IT(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~RNG_CR_IE)
\r
203 * @brief Checks whether the specified RNG interrupt has occurred or not.
\r
204 * @param __HANDLE__: RNG Handle
\r
205 * @param __INTERRUPT__: specifies the RNG interrupt status flag to check.
\r
206 * This parameter can be one of the following values:
\r
207 * @arg RNG_IT_DRDY: Data ready interrupt
\r
208 * @arg RNG_IT_CEI: Clock error interrupt
\r
209 * @arg RNG_IT_SEI: Seed error interrupt
\r
210 * @retval The new state of __INTERRUPT__ (SET or RESET).
\r
212 #define __HAL_RNG_GET_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->SR & (__INTERRUPT__)) == (__INTERRUPT__))
\r
215 * @brief Clear the RNG interrupt status flags.
\r
216 * @param __HANDLE__: RNG Handle
\r
217 * @param __INTERRUPT__: specifies the RNG interrupt status flag to clear.
\r
218 * This parameter can be one of the following values:
\r
219 * @arg RNG_IT_CEI: Clock error interrupt
\r
220 * @arg RNG_IT_SEI: Seed error interrupt
\r
221 * @note RNG_IT_DRDY flag is read-only, reading RNG_DR register automatically clears RNG_IT_DRDY.
\r
224 #define __HAL_RNG_CLEAR_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->SR) = ~(__INTERRUPT__))
\r
230 /* Exported functions --------------------------------------------------------*/
\r
231 /** @defgroup RNG_Exported_Functions RNG Exported Functions
\r
235 /** @defgroup RNG_Exported_Functions_Group1 Initialization and de-initialization functions
\r
238 HAL_StatusTypeDef HAL_RNG_Init(RNG_HandleTypeDef *hrng);
\r
239 HAL_StatusTypeDef HAL_RNG_DeInit (RNG_HandleTypeDef *hrng);
\r
240 void HAL_RNG_MspInit(RNG_HandleTypeDef *hrng);
\r
241 void HAL_RNG_MspDeInit(RNG_HandleTypeDef *hrng);
\r
247 /** @defgroup RNG_Exported_Functions_Group2 Peripheral Control functions
\r
250 uint32_t HAL_RNG_GetRandomNumber(RNG_HandleTypeDef *hrng); /* Obsolete, use HAL_RNG_GenerateRandomNumber() instead */
\r
251 uint32_t HAL_RNG_GetRandomNumber_IT(RNG_HandleTypeDef *hrng); /* Obsolete, use HAL_RNG_GenerateRandomNumber_IT() instead */
\r
253 HAL_StatusTypeDef HAL_RNG_GenerateRandomNumber(RNG_HandleTypeDef *hrng, uint32_t *random32bit);
\r
254 HAL_StatusTypeDef HAL_RNG_GenerateRandomNumber_IT(RNG_HandleTypeDef *hrng);
\r
255 uint32_t HAL_RNG_ReadLastRandomNumber(RNG_HandleTypeDef *hrng);
\r
257 void HAL_RNG_IRQHandler(RNG_HandleTypeDef *hrng);
\r
258 void HAL_RNG_ErrorCallback(RNG_HandleTypeDef *hrng);
\r
259 void HAL_RNG_ReadyDataCallback(RNG_HandleTypeDef* hrng, uint32_t random32bit);
\r
265 /** @defgroup RNG_Exported_Functions_Group3 Peripheral State functions
\r
268 HAL_RNG_StateTypeDef HAL_RNG_GetState(RNG_HandleTypeDef *hrng);
\r
278 /* Private types -------------------------------------------------------------*/
\r
279 /** @defgroup RNG_Private_Types RNG Private Types
\r
287 /* Private defines -----------------------------------------------------------*/
\r
288 /** @defgroup RNG_Private_Defines RNG Private Defines
\r
296 /* Private variables ---------------------------------------------------------*/
\r
297 /** @defgroup RNG_Private_Variables RNG Private Variables
\r
305 /* Private constants ---------------------------------------------------------*/
\r
306 /** @defgroup RNG_Private_Constants RNG Private Constants
\r
314 /* Private macros ------------------------------------------------------------*/
\r
315 /** @defgroup RNG_Private_Macros RNG Private Macros
\r
318 #define IS_RNG_IT(IT) (((IT) == RNG_IT_CEI) || \
\r
319 ((IT) == RNG_IT_SEI))
\r
321 #define IS_RNG_FLAG(FLAG) (((FLAG) == RNG_FLAG_DRDY) || \
\r
322 ((FLAG) == RNG_FLAG_CECS) || \
\r
323 ((FLAG) == RNG_FLAG_SECS))
\r
329 /* Private functions prototypes ----------------------------------------------*/
\r
330 /** @defgroup RNG_Private_Functions_Prototypes RNG Private Functions Prototypes
\r
338 /* Private functions ---------------------------------------------------------*/
\r
339 /** @defgroup RNG_Private_Functions RNG Private Functions
\r
355 #endif /* STM32F756xx || STM32F746xx */
\r
361 #endif /* __STM32F7xx_HAL_RNG_H */
\r
363 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
\r